RSNI - Manually revised location

MANUAL Location - Area: Zona Genova , magnitude (M_L): 0.8
2022-09-23 06:20:03 (UTC)

Regional Seismic Network of Northwestern Italy (Distav, University of Genoa)
Posted on: 2022-09-23 09:38:24

Earthquake info - Manual location

Event - ID :	220923061858
Magnitude (M_L) :	0.8 +/- 0.0
Origin Time :	2022-09-23 06:20:03.307 (UTC)
Location :	Latitude: 44.453 N, Longitude: 9.084 E
Area :	Zona Genova
Depth (km) :	5.05
Distances (km) :	0.6 --- Bargagli 1.8 --- Davagna 4.4 --- Lumarzo 7.8 --- Montoggio 7.9 --- Uscio 8.1 --- Bogliasco 8.5 --- Pieve Ligure 8.5 --- Neirone 8.9 --- Sori 9.6 --- Tribogna 9.6 --- Torriglia 9.9 --- Sant Olcese 10.0 --- Avegno 10.6 --- Moconesi 10.8 --- Recco 11.6 --- Casella 11.7 --- Valbrevenna 12.6 --- Camogli 13.0 --- Cicagna 13.3 --- Serra Ricco

Quality location estimate: Erh: 1 km, Erz: 0.7 km, Nf: 10, Gap: 126 °, Rms: 0.09

Manual location results

Station	Net	P arrival time	P pick err	P pick weight	P res	Nll weight	S arrival time	S pick err	S pick weight	S res	Nll weight	Dist.
GENL	GU	2022-09-23 06:20:06.032	0.080	3	0.18	0.69	2022-09-23 06:20:07.620	0.070	1	-0.04	1.30	11.6
RNCA	GU	2022-09-23 06:20:05.914	0.042	2	0.09	1.14	2022-09-23 06:20:07.529	0.040	0	-0.06	1.23	11.9
GORR	GU	2022-09-23 06:20:08.284	0.020	0	0.03	1.39	2022-09-23 06:20:11.768	0.040	0	-0.04	1.26	24.5
MSSA	IV	2022-09-23 06:20:11.074	0.180	7	0.59	0.09	2022-09-23 06:20:15.669	0.040	0	-0.04	1.13	38.1
PCP	GU	2022-09-23 06:20:11.150	0.020	0	-0.04	1.32	2022-09-23 06:20:16.946	0.040	0	0.27	0.46	44.2

Local magnitude (M_L) calculation results

Station	Net	Channels	Stat. Mag.	Wood-And. Ampl.	Dist. (km)	Azimuth
RNCA	GU	HH	0.82	4.40e-1	11.9	281
MSSA	IV	HH	0.77	3.65e-2	38.1	114

Results of PGA, PGV, IH, spectral amplitudes (SA) values calculation

Station

Net

Channel

PGA
(g)

PGV
(m/s)

IH 0*
(m)

IH 1*
(m)

IH 2*
(m)

Sa(T=0.10)
(g)

Sa(T=0.30)
(g)

Sa(T=1.00)
(g)

Sa(T=3.00)
(g)

Dist.
(km)

Azim.
(°)

GENL

EHZ

1.3896e-5

1.7739e-6

7.4180e-7

2.5920e-7

1.9313e-7

2.5271e-5

3.0062e-6

3.3988e-7

4.7333e-8

11.6

240

GENL

EHN

1.3558e-5

2.2796e-6

1.1306e-6

3.3423e-7

1.5259e-7

4.1671e-5

5.1288e-6

2.4354e-7

4.2244e-8

11.6

240

GENL

EHE

1.3706e-5

2.2928e-6

1.0883e-6

3.5746e-7

1.5648e-7

2.9497e-5

4.2686e-6

2.4620e-7

4.1323e-8

11.6

240

RNCA

HHZ

4.3976e-5

7.1459e-6

1.9970e-6

5.1702e-7

2.9665e-7

1.2785e-4

6.6545e-6

5.5756e-7

1.5084e-7

11.9

281

RNCA

HHN

5.3928e-5

6.8305e-6

1.9755e-6

5.9853e-7

4.0511e-7

6.8239e-5

6.6547e-6

7.1337e-7

1.2947e-7

11.9

281

RNCA

HHE

6.3262e-5

1.0753e-5

3.2316e-6

9.0461e-7

4.9611e-7

2.3485e-4

1.0165e-5

8.5377e-7

2.1278e-7

11.9

281

GORR

HHZ

1.6837e-6

2.7072e-7

1.6096e-7

5.5348e-8

2.4167e-8

4.5837e-6

8.4481e-7

3.5299e-8

6.4026e-9

24.5

GORR

HHN

2.2578e-6

3.6394e-7

2.5011e-7

9.2509e-8

3.8034e-8

6.6527e-6

1.1069e-6

5.8635e-8

9.1695e-9

24.5

GORR

HHE

2.4471e-6

5.8758e-7

3.1971e-7

7.3257e-8

4.1648e-8

8.8828e-6

1.4758e-6

6.8068e-8

1.3669e-8

24.5

MSSA

HHZ

2.3791e-6

2.1804e-7

5.4934e-8

2.5057e-8

2.5138e-8

2.4778e-6

2.0871e-7

4.2725e-8

5.2386e-9

38.1

114

MSSA

HHN

5.5619e-6

6.4837e-7

1.8033e-7

5.2263e-8

3.3297e-8

1.8013e-5

6.0390e-7

6.6744e-8

1.3228e-8

38.1

114

MSSA

HHE

6.8741e-6

1.0116e-6

2.6385e-7

6.6590e-8

4.7423e-8

2.5150e-5

7.1568e-7

7.8755e-8

2.0955e-8

38.1

114

PCP

HHZ

3.0158e-7

4.2281e-8

3.2660e-8

1.9767e-8

1.2096e-8

5.1295e-7

1.4867e-7

1.7219e-8

1.3378e-9

44.2

283

PCP

HHN

2.8683e-7

4.6130e-8

3.7043e-8

2.4206e-8

1.3163e-8

7.9491e-7

2.2547e-7

1.4814e-8

1.4816e-9

44.2

283

PCP

HHE

3.8135e-7

6.0108e-8

3.2535e-8

1.7024e-8

1.2718e-8

1.0466e-6

1.1635e-7

1.9511e-8

1.3443e-9

44.2

283

*IH (Housner Intensity) calculated on the velocity spectrum (SV) between 0.1 and 0.5 s (IH0), 0.1 and 1.0 s (IH1), 0.1 and 1.5 s (IH2)

MANUAL Location - Area: Zona Genova , magnitude (ML): 0.8 2022-09-23 06:20:03 (UTC)

MANUAL Location - Area: Zona Genova , magnitude (M_L): 0.8
2022-09-23 06:20:03 (UTC)